A blood pressure measuring device comprising: a device main body； a curler configured to bend along a circumferential direction of a wrist, including one end and another end separated from each other, and further configured to be fixed to the device main body； a strap provided at a symmetrical position on an outer side surface of the device main body and configured to cover an outer surface of the curler； a cuff structure provided on an inner peripheral surface of the curler and configured to be inflated by a fluid； and a power feed unit provided to the curler.
